Advisory Details

October 14th, 2022

Microsoft Windows User-Mode Print Driver Insufficient Message Authentication Local Privilege Escalation Vulnerability

CVE ID	CVE-2022-37986
CVSS SCORE	5.3, AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Windows
VULNERABILITY DETAILS	This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute code at low integrity on the target system in order to exploit this vulnerability. The specific flaw exists within the user-mode print driver host process. The issue results from insufficient validation of the origin of commands. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the current user at medium integrity.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37986
DISCLOSURE TIMELINE	2022-06-28 - Vulnerability reported to vendor 2022-10-14 - Coordinated public release of advisory
CREDIT	Marcin Wiazowski

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